Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Chip Model	ESP32-C3
CPU Frequency	160 MHz
Wi-Fi Standard	802.11 b/g/n (2.4 GHz)
Bluetooth	Bluetooth 5 (Low Energy)
Flash Memory	4 MB
SRAM	400 KB
Operating Voltage	3.3V
USB Interface	USB-to-UART Bridge
GPIO Pins	22 Programmable Pins
Dimensions	50 x 25 x 10 mm

5 reviews

Anonymous

Mar 29, 2026

Rating: 4/5

Good but needs patience

Hardware is fine, but driver installation on Windows took some time. Once set up, it works well.

Anonymous

Mar 25, 2026

Rating: 5/5

Low Power Consumption

Battery life is excellent in deep sleep mode. Perfect for remote sensors.

Anonymous

Mar 21, 2026

Rating: 5/5

Solid Build Quality

PCB looks clean and soldering points are accessible. Happy with this purchase.

Anonymous

Mar 07, 2026

Rating: 5/5

Great Value

Cheap and reliable. I bought five for my sensor network project.

Anonymous

Feb 14, 2026

Rating: 5/5

Excellent for IoT

This board works perfectly with ESP-IDF. The Wi-Fi stability is impressive compared to older models.

5 FAQ

Q: What is the maximum current output per GPIO?

A: Please refer to the datasheet, but generally do not exceed 40mA per pin to avoid damage.

Q: Does this support 5GHz Wi-Fi networks?

A: No, the ESP32-C3 only supports 2.4 GHz Wi-Fi networks.

Q: Does it come with an external antenna connector?

A: This model features an on-board PCB antenna. There is no connector for an external antenna.

Q: Is this compatible with the Arduino IDE?

A: Yes, you can program this board using the Arduino IDE with the ESP32 board package installed.

Q: Can I use Bluetooth Classic with this module?

A: No, the ESP32-C3 supports Bluetooth Low Energy (BLE) only.

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